Clean up table of version numbers.

Remove 2.1-update1. At this point the detail is irrelevant.
The final Honeycomb is really 3.2.x.
Reformat table source to better line up. Sorry.

Change-Id: Ie792e736fe585f5e377f42c84f6605be24663202
diff --git a/src/source/build-numbers.md b/src/source/build-numbers.md
index 4862e42..d61961d 100644
--- a/src/source/build-numbers.md
+++ b/src/source/build-numbers.md
@@ -25,23 +25,23 @@
 The code names match the following version numbers, along with
 API levels and NDK releases provided for convenience:
 
-Code name      | Version      | API level
----------------|--------------|------------
-(no code name) | 1.0          | API level 1
-(no code name) | 1.1          | API level 2
-Cupcake        | 1.5          | API level 3, NDK 1
-Donut          | 1.6          | API level 4, NDK 2
-Eclair         | 2.0          | API level 5
-Eclair         | 2.0.1        | API level 6
-Eclair         | 2.1 (incl. 2.1-update 1) | API level 7, NDK 3
-Froyo          | 2.2.x        | API level 8, NDK 4
-Gingerbread    | 2.3 - 2.3.2  | API level 9, NDK 5
-Gingerbread    | 2.3.3 - 2.3.7            | API level 10
-Honeycomb      | 3.0                      | API level 11
-Honeycomb      | 3.1                      | API level 12, NDK 6
-Honeycomb      | 3.2 - 3.2.2              | API level 13
-IceCreamSandwich | 4.0.1 - 4.0.2          | API level 14, NDK 7
-IceCreamSandwich | 4.0.3                  | API level 15
+Code name        | Version       | API level
+-----------------|---------------|--------------------
+(no code name)   | 1.0           | API level 1
+(no code name)   | 1.1           | API level 2
+Cupcake          | 1.5           | API level 3, NDK 1
+Donut            | 1.6           | API level 4, NDK 2
+Eclair           | 2.0           | API level 5
+Eclair           | 2.0.1         | API level 6
+Eclair           | 2.1           | API level 7, NDK 3
+Froyo            | 2.2.x         | API level 8, NDK 4
+Gingerbread      | 2.3 - 2.3.2   | API level 9, NDK 5
+Gingerbread      | 2.3.3 - 2.3.7 | API level 10
+Honeycomb        | 3.0           | API level 11
+Honeycomb        | 3.1           | API level 12, NDK 6
+Honeycomb        | 3.2.x         | API level 13
+IceCreamSandwich | 4.0.1 - 4.0.2 | API level 14, NDK 7
+IceCreamSandwich | 4.0.3         | API level 15
 
 Starting with Cupcake, individual builds are identified with a short
 build code, e.g. FRF85B.